223225442 has 16 divisors (see below), whose sum is σ = 381160512. Its totient is φ = 97054320.

The previous prime is 223225423. The next prime is 223225469. The reversal of 223225442 is 244522322.

It is a happy number.

It is a super-3 number, since 3×223225442³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220073 + ... + 221084.

It is an arithmetic number, because the mean of its divisors is an integer number (23822532).

Almost surely, 2^223225442 is an apocalyptic number.

223225442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

223225442 is a deficient number, since it is larger than the sum of its proper divisors (157935070).

223225442 is a wasteful number, since it uses less digits than its factorization.

223225442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441193.

The product of its digits is 7680, while the sum is 26.

The square root of 223225442 is about 14940.7309727469. The cubic root of 223225442 is about 606.6169817352.

Adding to 223225442 its reverse (244522322), we get a palindrome (467747764).

The spelling of 223225442 in words is "two hundred twenty-three million, two hundred twenty-five thousand, four hundred forty-two".